Adjusting thread tension
Adjustment method for upper thread tension
z
Upper thread is tight
Wrong
side
Right side
Upper thread is loose
Upper thread is loose
Upper thread is tight
Upper thread is tight•
Upper thread is loose•
Lower the upper thread tension.
Increase the upper thread tension.
Note:
If the tension does not change even when you
adjust the upper thread tension, thread the
upper thread and lower thread again.
Wrong
side
Right side
Straight stitch
Zigzag sewing
Wrong
side
Right side
Right side
Wrong
side
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